Home / 517,447,895.64-776,146,043.88-189,897,638.64

Finding the Fourth Proportional to 517,447,895.64, 776,146,043.88 and 189,897,638.64

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Solution

The fourth proportional to 517,447,895.64, 776,146,043.88 and 189,897,638.64 is: 284,836,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,447,895.64 : 776,146,043.88 = 189,897,638.64 : x
  2. Step 2: Convert to fraction form
    517,447,895.64/776,146,043.88 = 189,897,638.64/x
  3. Step 3: Cross multiply
    517,447,895.64x = 776,146,043.88 × 189,897,638.64
  4. Step 4: Simplify right side
    517,447,895.64x = 147,388,300,972,589,824
  5. Step 5: Solve for x
    x = 147,388,300,972,589,824/517,447,895.64
  6. Step 6: Final answer
    x = 284,836,989.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.